How about
sum(res<0)?
--
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The computer should be doing the hard work. That's what it's paid to
do, after all.
-- Larry Wall in <[EMAIL PROTECTED]>
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It is rumored that on Wed, 5 Jan 2005 08:07:34 -0800 (PST)
Frederic renaud <[EMAIL PROTECTED]> wrote:
> Hi,
> I 've a matrix n*1 (thus a column) and I would like to
> count the number of negative element inside.
> Can you help me?
> Thanks!
>
> eg:
> res[,1]= 1
> -3
> -1
>
> How obtain the number 2 (number of negative-element)?
>
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